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Tropical Animal Science
Published by Universitas Boyolali
ISSN : 25417215     EISSN : 25417223     DOI : https://doi.org/10.36596/tas
Core Subject : Health, Science, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Social Sciences Veterinary
Tropical Animal Science adalah jurnal yang diterbitkan oleh Universitas Boyolali pada Program Studi Peternakan Fakultas Peternakan Universitas Boyolali secara berkala dua kali dalam setahun pada bulan Mei dan November dengan tujuan menyebarluaskan informasi dan hasil penelitian di bidang ilmu ternak yang mencakup pemuliaan, genetika, pakan, nutrisi, reproduksi, produksi, bioteknologi, fisiologi, manajemen, sosial ekonomi, teknologi hasil ternak, mikrobiologi, dan topik lain yang berhubungan dengan ilmu ternak. Redaksi menerima artikel/karya ilmiah yang belum pernah dipublikasikan dan tidak sedang dalam proses publikasi di tempat lain. (Tropical Animal Science is a scientific journal published by Animal Science Department, Faculty of Animal Science, Boyolali University consistently published two times a year in May and November aims to publish information and original research results on animal science including breeding and genetics, feeding and nutrition, reproduction, biotechnology, physiology, management, socio-economics, products technology, microbiology, and other related topics in relation to animal science. The papers should not have been previously published or is not being considered for publication elsewhere).
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Hewan dan Zoologi
Articles 106 Documents
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HUBUNGAN PROTEIN KASAR TERCERNA DAN SERAT KASAR TERCERNA TERHADAP PRODUKSI GAS METAN PADA DOMBA LOKAL JANTAN: THE CORRELATION OF CRUDE PROTEIN DIGESTIBLE AND CRUDE FIBER DIGESTIBLE ON METHANE GAS PRODUCTION IN INDIGENOUS RAMS Saputro, Wahyu Subagio; Efendi, Kabib; Darmawan, Muhammad Arif
Tropical Animal Science Vol. 6 No. 1 (2024): TROPICAL ANIMAL SCIENCE
Publisher : Universitas Boyolali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36596/tas.v6i1.1344

Abstract

This research aims to examine the correlation between digestible crude protein (DCP) and digestible crude fiber (DCF) on methane gas production from fermented rice straw using urea and urine. The material in this study was used included eight indigenous rams aged ± 1.5 years with a weight of ± 20 kg. The feed provided consisted of concentrate and rice straw fermented with urea (P1) and rice straw fermented with urine (P2). Feed was given twice daily, and water was provided ad libitum. Data collection of digestible crude protein and digestible crude fiber was conducted by total collection method in metabolic cages for 7 days, while methane gas production measurement was conducted for 2 x 24 hours. The results showed differences in correlation values between the two types of treatments. Treatment with rice straw fermented with urea had correlation values of 0.937 for digestible crude protein and 0.507 for digestible crude fiber with coefficient of determination values of 87.9% for DCP and 25.7% for DCF. Meanwhile, in the treatment with rice straw fermented with urine, the correlation values were -0.632 for DCP and -0.991 for DCF with coefficient of determination values of 40.0% for DCP and 98.3% for DCF. The conclusion from this research is that the difference in correlation values is caused by the nitrogen source used for fermentation and the presence of accompanying compounds found in cattle urine used for rice straw fermentation.
ANALISIS PENDAPATAN USAHA TERNAK KAMBING KONTES DI PETERNAKAN NRJ FARM BOYOLALI TAHUN 2019–2021: ANALYSIS OF INCOME FROM CONTEST GOAT FARMING AT NRJ FARM BOYOLALI IN 2019–2021 Wisma, Damai Surya; Purwadi, Purwadi; Wulandari, Eudia Christina
Tropical Animal Science Vol. 8 No. 1 May (2026): TROPICAL ANIMAL SCIENCE
Publisher : Universitas Boyolali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36596/tas.v8i1.1963

Abstract

This study aimed to analyze the income and financial feasibility of contest goat farming at NRJ Farm Boyolali during 2019–2021. The background of this research is the growing trend of livestock contests in Indonesia as a platform for genetic selection and value-added livestock marketing. The methods included direct observation, interviews with the farm owner, and secondary data analysis from financial records. Parameters analyzed were Cost of Goods Sold (COGS), Net Profit, Break Even Point (BEP), Gross Profit Margin (GPM), and Return on Investment (ROI). The results showed that contest goat farming was financially feasible. Although the business was affected by the COVID-19 pandemic in 2020, it recovered in 2021 with a remarkable ROI of 217%. The success was supported by cost control, efficient variable cost management, and strategic herd expansion. It is concluded that the contest goat business in NRJ Farm is profitable and has potential for further development through income diversification and digital marketing strategies.
ANALISIS PERUBAHAN PERILAKU PADA MASYARAKAT DENGAN ADANYA PEMBUATAN BIOGAS DI 5 KECAMATAN KABUPATEN BOYOLALI: ANALYSIS OF BEHAVIORAL CHANGES IN THE COMMUNITY RESULTING FROM BIOGAS PRODUCTION IN 5 DISTRICTS OF BOYOLALI REGENCY Huda, Surya Aditya Nuril; Purwadi, Purwadi; Prasetyo, Aris Budi
Tropical Animal Science Vol. 8 No. 1 May (2026): TROPICAL ANIMAL SCIENCE
Publisher : Universitas Boyolali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36596/tas.v8i1.2062

Abstract

This study aims to analyze the social, economic, and environmental impacts of the implementation of a biogas program based on the Asset-Based Community Development (ABCD) approach in five sub-districts in Boyolali Regency. Using a participatory approach, the study involved 10 respondents who actively use biogas installations. Data were obtained through observation, interviews, and questionnaires. The results showed that the biogas program drove significant changes in energy consumption patterns, with 30% of respondents switching entirely to biogas, and 50% combining it with LPG. In addition, 80% of respondents used bio-slurry as organic fertilizer, which resulted in increased soil fertility and more efficient chemical fertilizer use. From an economic perspective, 50% of respondents managed to save up to 80% of their monthly energy costs, and 30% saved up to 100%. The program's satisfaction level reached 100%, with 80% stating they were very satisfied. The program also increased community environmental awareness through the utilization of livestock waste and emission reduction. These findings confirm that the ABCD approach is effective in building energy independence based on local potential and encouraging community behavioral changes towards sustainable
KARAKTERISTIK KIMIA YOGHURT SINBIOTIK DENGAN PENAMBAHAN TEPUNG HANJELI (Coix lacryma-jobi L.): CHEMICAL CHARACTERISTICS OF SYNBIOTIC YOGURT WITH THE ADDITION OF HANJELI FLOUR (Coix lacryma-jobi L.) Sari, Dewiarum; Utami, Sari Wiji
Tropical Animal Science Vol. 8 No. 1 May (2026): TROPICAL ANIMAL SCIENCE
Publisher : Universitas Boyolali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36596/tas.v8i1.2065

Abstract

Synbiotic yogurt is yogurt made by combining probiotics and prebiotics that can increase functional value because they have a positive impact on health. Commercial starter "biokul" contains Lactobacillus acidophilus and Bifidobacterium, which are groups of probiotic bacteria that can live in the intestine. hanjeli flour (Coix lacryma-jobi L.) contains bioactive compounds that can be used as a substrate for probiotic growth, in addition to being able to improve the chemical quality of synbiotic yogurt. This study aims to determine the chemical characteristics of synbiotic yogurt with the addition of hanjeli flour (Coix lacryma-jobi L.) as a natural stabilizer. The research parameters include protein content, fat content, and water content. The method used in this study was a Completely Randomized Design (CRD) consisting of 4 treatments, including P0 (without the addition of 0% hanjeli flour); P1 (addition of 1% hanjeli flour); P2 (addition of 2% hanjeli flour); and P3 (addition of 3% hanjeli flour). The data obtained were analyzed using Analysis of Variance (ANOVA); if there was a significant difference, then continued with Duncan's Multiple Range Test (DMRT). The results of the analysis of variance showed that the difference in the concentration of millet flour had a significant effect (P <0.05) on the protein content, fat content, and water content of synbiotic yoghurt. The best treatment from this study was obtained in treatment P3 (addition of 3% millet flour), which had a protein content of 3.41%, a fat content of 2.72%, and a water content of 82.79%.
PENGARUH PEMBERIAN TEPUNG TONGKOL JAGUNG FERMENTASI SEBAGAI PAKAN TAMBAHAN TERHADAP PERFORMA ITIK PEDAGING JENIS HIBRIDA: THE EFFECT OF FERMENTED CORN COB FLOUR AS SUPPLEMENTARY FEED ON THE PERFORMANCE OF HYBRID BROILER DUCKS Ramadhan , Gustiar Cahya; Mulyono, Ali Mursyid Wahyu; Husein, Muhammad
Tropical Animal Science Vol. 8 No. 1 May (2026): TROPICAL ANIMAL SCIENCE
Publisher : Universitas Boyolali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36596/tas.v8i1.2080

Abstract

This study aims to analyze the performance of hybrid broiler ducks with the addition of fermented corn cob flour to their feed. An experimental method was used for this study. This study used 36 1-week-old hybrid broiler ducks and were raised for 4 weeks in a completely randomized design (CRD) with 4 treatments and 3 replications. The hybrid ducks were fed fermented corncob meal at percentages of 0%, 2%, 4%, and 6% as part of the treatment. Feed Consumption (FI), Body Weight Gain, and Feed Conversion Ratio (FCR) were some of the variables examined. Analysis of Variance (ANOVA) was used to examine the research data, and Duncan's Multiple Range Test (DMRT) was used to test the results at a 5% significance level. The research findings showed that Feed Consumption (FI), Body Weight Gain, and Feed Conversion Ratio (FCR) of hybrid ducks were not affected by the addition of fermented corncob meal to the feed.
EKSPLORASI DEDAK PADI SEBAGAI PAKAN LOKAL: EVALUASI KUALITAS FISIK DAN ORGANOLEPTIK DEDAK PADI DI KABUPATEN TANAH LAUT, KALIMANTAN SELATAN: EXPLORATION OF RICE BRAN AS LOCAL FEED: EVALUATION OF PHYSICAL AND ORGANOLEPTIC ATTRIBUTES IN TANAH LAUT, SOUTH KALIMANTAN Hidayatulloh, Rifqi; Ali, Muhammad Irvan; Atmaja, Baluh Medyabrata; Hutabarat, Amelia Lulu Rosalin; Lestari, Wenni Meika; Ali, Abdul Muta; Padilah, Akmad Rio; Safitri, Alief Rahmania
Tropical Animal Science Vol. 8 No. 1 May (2026): TROPICAL ANIMAL SCIENCE
Publisher : Universitas Boyolali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36596/tas.v8i1.2098

Abstract

Rice bran, an important byproduct of the milling process, has enormous potential as a source of local feed ingredients. This research aims to evaluate the physical quality and organoleptic parameters of rice bran to ensure the availability of quality local feed. The research method used is the survey method with a purposive sampling technique, and the data obtained were analyzed descriptively. The findings of this study are expected to provide insights into the optimal use of rice bran in animal feed formulations. By assessing its nutritional value and overall quality, this research could contribute to more sustainable feeding practices in the local agriculture sector. The results show that the best physical quality of rice bran is found in the sub-districts of Panyipatan, Bajuin, and Batu Ampar, which meet the ideal specific gravity and bulk density ranges for use as feed ingredients. In contrast, Tambang Ulang and Kurau have relatively lower values for some parameters, requiring further processing before optimal application. Rice bran from most sub-districts in Tanah Laut Regency is considered suitable for use as feed raw material.
EFEKTIVITAS INOKULASI TRICHODERMA DAN MIKORIZA TERHADAP PERTUMBUHAN DAN PRODUKSI BIOMASSA AWAL REGROWTH PERTAMA ALFALFA (Medicago sativa L.) DI LAHAN MARJINAL: EFFECTIVENESS OF TRICHODERMA AND MYCORRHIZA INOCULATION ON GROWTH AND BIOMASS PRODUCTION OF EARLY FIRST REGROWTH OF ALFALFA (Medicago sativa L.) IN MARGINAL LAND Husein, Muhammad; Mulyono, Ali Mursyid Wahyu; Windyasmara, Ludfia; Samur, Salnan Irba Novaela
Tropical Animal Science Vol. 8 No. 1 May (2026): TROPICAL ANIMAL SCIENCE
Publisher : Universitas Boyolali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36596/tas.v8i1.2109

Abstract

This experiment aims to evaluate the effectiveness of inoculation and synergy of Arbuscular Mycorrhizal Fungi (AMF) and Trichoderma harzianum on the growth, productivity, and effectiveness of inoculation of Alfalfa (Medicago sativa L.) forage in marginal land in the early phase of the first regrowth. This experiment used biological agents, mycorrhizae, and Trichoderma. This study used a completely randomised design with a one-way pattern consisting of four treatments and five replications, namely T0: without inoculation; T1: Mycorrhizae 300 spores/polybag; T2: Trichoderma 5 grams, 1 × 106 spores/gram; T3: Combination of Mycorrhizae 300 spores/polybag and Trichoderma 5 grams, 1 × 106 spores/gram. Data were analysed using Analysis of Variance (ANOVA). The results showed that AMF inoculation in treatment T1 had a significant effect (p <0.05) on plant length (cm), number of branches (strands per branch), fresh biomass of the canopy and the effectiveness of inoculation. Treatments T2 and T3 were not significantly different from T0 (p>0.05) regarding plant length, but the number of branches differed. T2 and T3 showed significant differences (p<0.05), which were higher than the control, but not with the results of fresh shoot biomass and inoculation effectiveness. T2 gave insignificant results and was not better than treatments T1 and T3. Mycorrhizal inoculation T1 positively responded to plant growth, fresh shoot biomass and inoculation effectiveness under drought stress, although the combination treatment T3 also provided good feedback.
PENGARUH LAMA WAKTU THAWING TERHADAP KUALITAS SEMEN KERBAU LUMPUR (Bubalus bubalis): THE EFFECT OF THAWING TIME ON THE QUALITY OF MUD BUFFALO SEMEN (Bubalus bubalis) Yolanda, Windi; Elisia, Rini; Maiyontoni; Komala, Refika
Tropical Animal Science Vol. 8 No. 1 May (2026): TROPICAL ANIMAL SCIENCE
Publisher : Universitas Boyolali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36596/tas.v8i1.2159

Abstract

Artificial insemination (AI) in buffaloes in Indonesia still faces challenges, one of which is the low quality of frozen semen due to improper thawing processes. Buffalo semen has physiological advantages, but it is also more susceptible to damage during thawing and cryopreservation processes. Previous studies have shown that thawing time affects sperm motility. This study aims to determine the effect of thawing time on buffalo semen quality in order to improve AI success rates. This study used 20 straws of frozen buffalo semen with an experimental research method and data analysis using RAK, consisting of 4 treatments (P1: 30 seconds, P2: 60 seconds, P3: 90 seconds, P4: 120 seconds) and 5 replicates. The observation parameters were PTM (Post Thawing Motility), viability, abnormality, MPU (Membrane Plasma Integrity), and TAU (Acrosome Cap Integrity). The results showed that the mean values of PTM, viability, abnormality, MPU, and TAU of the four treatments were not significantly different (P>0.05). These results indicate that thawing frozen buffalo semen for up to 120 seconds (2 minutes) at a temperature of 370? can still maintain the viability, abnormalities, MPU count, and TAU count of buffalo sperm before insemination. There is a tendency for the PTM and MPU counts in the 120-second thawing treatment to be higher than in the other treatments. Based on the research results, it can be concluded that thawing for 30 seconds, 60 seconds, 90 seconds, and 120 seconds did not produce significant differences in PTM, viability, abnormalities, MPU, and TAU of frozen buffalo semen, so thawing up to 120 seconds can still be done.
OPTIMALISASI KUALITAS TELUR PUYUH MELALUI KOMBINASI SUPLEMENTASI TEPUNG DAUN KELOR (Moringa oleifera) DAN SARI BELIMBING WULUH (Averrhoa bilimbi L.) SEBAGAI FEED ADDITIVE ALAMI: OPTIMIZATION OF QUAIL EGG QUALITY THROUGH COMBINED SUPPLEMENTATION OF MORINGA LEAF POWDER (Moringa oleifera) AND BILIMBI FRUIT EXTRACT (Averrhoa bilimbi L.) AS NATURAL FEED ADDITIVES Meidita, Fadilla; Rahma, Nadia; Ananta, Dwi
Tropical Animal Science Vol. 8 No. 1 May (2026): TROPICAL ANIMAL SCIENCE
Publisher : Universitas Boyolali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36596/tas.v8i1.2175

Abstract

Quail are egg-producing poultry known for their highly nutritious eggs and affordable price, making them popular among the general public. However, challenges in quail farming lie in feed efficiency and improving egg quality. One effort to address these challenges is the use of natural feed additives, such as moringa leaves (Moringa oleifera) and bilimbi fruit (Averrhoa bilimbi L.), which have potential as sources of natural antioxidants and bioactive compounds. This study aimed to evaluate the effects of moringa leaf powder supplementation in the feed, combined with bilimbi fruit extract in drinking water, on quail egg quality. The study used 180 female quails (Coturnix coturnix japonica) aged 20 weeks, in a feeding trial using a 2 × 3 factorial completely randomized design (CRD). The treatments consisted of two levels of moringa leaf powder (0% and 3%) and three levels of bilimbi extract (0%, 2.5%, and 5%), with three replications each. Observed parameters included egg weight, egg index, albumen index, yolk index, and Haugh Unit value. The analysis showed no significant interaction between moringa leaf and bilimbi extract supplementation on egg weight and egg index (P>0.05). These findings suggest that moringa leaf inclusion in feed has the potential to improve egg weight, although its effectiveness is influenced by dosage and interaction with other additives.
PERBANDINGAN PENAMBAHAN BETA KAROTEN ATAU GLISEROL DALAM PENGENCER TRIS KUNING TELUR TEHADAP KUALITAS SEMEN BEKU KERBAU LUMPUR (Bubalus bubalis): COMPARISON OF THE ADDITION OF BETA CAROTENE OR GLYCEROL IN EGG YOLK TRIS DILUENT ON FROZEN SEMEN QUALITY MUD BUFFALO (Bubalus bubalis) Juni, Putri; Elisia, Rini; Maiyontoni, Maiyontoni; Komala, Refika
Tropical Animal Science Vol. 8 No. 1 May (2026): TROPICAL ANIMAL SCIENCE
Publisher : Universitas Boyolali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36596/tas.v8i1.2182

Abstract

The objective of this study was to determine the quality of frozen buffalo semen after adding Beta-carotene or glycerol to the tris egg yolk diluent on the quality of frozen buffalo semen. The study used 14 straws of frozen semen from mud buffaloes originating from BIB Tuah Sakato, Ibuh Payakumbuh. The experimental research method with data analysis used a completely randomized design with 7 treatments and 2 replicates: P0 without the addition of Beta-carotene or glycerol, treatment with the addition of Beta-carotene to egg yolk tris (TKT) at concentrations: P1 0.1%, P2. 0.2%, P3 0.3%, and Glycerol at concentrations: P4 2%, P5 4%, and P6 6%. The equipment and materials used included: a microscope, computer-assisted semen analysis (CASA), object glass, cover glass, 14 straws of frozen buffalo semen, citrate, egg yolk, HOS solution, and eosin-nigrosin dye. The parameters observed after the thawing process were the percentages of motility, viability, MPU, and abnormalities in frozen semen. The results of the study showed the average sperm motility in order, namely P1 57.79 ± 5.30, P4 57.71 ± 9.01, P0 54.62 ± 8.92, P5 51.47 ± 5.80, P2 49.28 ± 7.59, P3 25.45 ± 1.21, and P6 25.03 ± 1.21. Treatments P3 and P6 significantly (P < 0.05) reduced sperm motility after thawing. Meanwhile, viability, MPU, and abnormality did not show significant differences (P > 0.05) between treatments. From these data, it can be concluded that the addition of Beta-carotene at concentrations of 0.1%, 0.2%, and 0.3% compared to the addition of glycerol at 2%, 4%, 6% in the egg yolk tris diluent, both significantly (P < 0.05) affected motility and did not significantly (P > 0.05) affect viability, intact plasma membrane, and abnormalities in frozen buffalo semen. The addition of Beta-carotene up to 0.2% or glycerol up to 4% was able to maintain post-thawing motility (PTM) above 40%.

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